/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.usthe.manager.config;

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

import java.util.Collections;

/**
 * @author tom
 * @date 2021/11/29 21:31
 */
@Configuration
public class SecurityCorsConfiguration {

    private static final String ORIGIN_PATTERN = "http://localhost:*";

    @Bean
    public FilterRegistrationBean corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.setAllowCredentials(true);
        corsConfiguration.setAllowedOriginPatterns(Collections.singletonList(ORIGIN_PATTERN));
        corsConfiguration.addAllowedHeader(CorsConfiguration.ALL);
        corsConfiguration.addAllowedMethod(CorsConfiguration.ALL);
        source.registerCorsConfiguration("/**", corsConfiguration);
        FilterRegistrationBean<CorsFilter> bean = new FilterRegistrationBean<>();
        bean.setOrder(Integer.MIN_VALUE);
        bean.setFilter(new CorsFilter(source));
        bean.addUrlPatterns("/*");
        return bean;
    }
}
